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[SECURITY] [DLA 4635-1] firefox-esr security update

🗓️ 19 Jun 2026 08:43:03Reported by DebianType 
debian
 debian
🔗 lists.debian.org👁 5 Views

Firefox ESR fixed multiple security flaws on Debian bullseye and bookworm; upgrade recommended.

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OSOS VersionArchitecturePackagePackage VersionFilename
Debian11anyfirefox-esr140.12.0esr-1~deb11u1firefox-esr_140.12.0esr-1~deb11u1_any.deb
Debian12anyfirefox-esr140.12.0esr-1~deb12u1firefox-esr_140.12.0esr-1~deb12u1_any.deb
Debian11amd64firefox-esr-dbgsym140.12.0esr-1~deb11u1firefox-esr-dbgsym_140.12.0esr-1~deb11u1_amd64.deb
Debian11arm64firefox-esr-dbgsym140.12.0esr-1~deb11u1firefox-esr-dbgsym_140.12.0esr-1~deb11u1_arm64.deb
Debian11armhffirefox-esr-dbgsym140.12.0esr-1~deb11u1firefox-esr-dbgsym_140.12.0esr-1~deb11u1_armhf.deb
Debian11i386firefox-esr-dbgsym140.12.0esr-1~deb11u1firefox-esr-dbgsym_140.12.0esr-1~deb11u1_i386.deb
Debian12amd64firefox-esr-dbgsym140.12.0esr-1~deb12u1firefox-esr-dbgsym_140.12.0esr-1~deb12u1_amd64.deb
Debian12arm64firefox-esr-dbgsym140.12.0esr-1~deb12u1firefox-esr-dbgsym_140.12.0esr-1~deb12u1_arm64.deb
Debian12armhffirefox-esr-dbgsym140.12.0esr-1~deb12u1firefox-esr-dbgsym_140.12.0esr-1~deb12u1_armhf.deb
Debian12i386firefox-esr-dbgsym140.12.0esr-1~deb12u1firefox-esr-dbgsym_140.12.0esr-1~deb12u1_i386.deb
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19 Jun 2026 08:43Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.19.6
EPSS0.00374
SSVC
5